The A# minor chord is enharmonically the same as the Bb minor chord. The Bbm chord is a more common way of referring to the chord. The A#m chord does get used, however, mainly depending on which key a given song is in.
Because the A#m chord does not contain any notes that can be played on the open strings, the most common way of playing it, is as a bar chord.
Some Quick A#m Chord Theory
- The A sharp minor chord contains the notes A#, C# and E#.
- The A# minor chord is produced by playing the 1st (root), flat 3rd and 5th notes of the A# Major scale.
- The A# minor chord (just like all minor chords) contains the following intervals (from the root note): minor 3rd, Major 3rd, Perfect 4th (back to the root note).
- A sharp minor is the relative minor of C# Major.
- A sharp minor is the first chord in the key of A sharp minor. The seven chords in the key of A sharp minor are: A#m, B# diminished, C#+, D#m, E#, F#, G## diminished
10 Ways To Play The A Sharp Minor Chord
If you’ve come to this page just to view some chord diagrams for A#m, here they are.

Further Reading
- A# natural minor scale
- A harmonic minor scale
- How minor chords work
- Chords page
- A# minor arpeggio